#pragma once

#include <pthread.h>

class Mutex
{
public:
    Mutex()
    {
        pthread_mutex_init(&lock_, nullptr);
    }
    void lock()
    {
        pthread_mutex_lock(&lock_);
    }

    void unlock()
    {
        pthread_mutex_unlock(&lock_);
    }

    ~Mutex()
    {
        pthread_mutex_destroy(&lock_);
    }

private:
    pthread_mutex_t lock_;
};

class Lock_GUARD
{
public:
    Lock_GUARD(Mutex *mutex)
        : mutex_(mutex)
    {
        mutex_->lock();
    }

    ~Lock_GUARD()
    {
        mutex_->unlock();
    }

private:
    Mutex *mutex_;
};